Patent US3327328A successfully refreshed from Google Patents.
US3327328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mattress extension
Assignee: Individual
•
Filing: 1965-04-02
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Granted: 1967-06-27
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Expires: 1985-04-02
Abstract
No abstract record available.
Inventors
- 👤 Wallace R Slivoski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:09
CPC Classifications
A; A47; A47C; A47C19/00; A47C19/04; A47C23/00; A47C23/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN A BED OF ANY CONSTRUCTION HAVING A MATTRESS, A MATTRESS ENLARGER FOR PLACEMENT ADJACENT ANY ONE OF THE HEAD, THE FOOT AND THE SIDES OF THE MATTRESS, SAID MATTRESS ENLARGER COMPRISING: A MATTRESS PAD, FOLDABLE-EXTENSIBLE MEANS FOR RIGIDLY SUPPORTING THE MATTRESS ENLARGER IN A GENERALLY HORIZONTAL POSITION ADJACENT SAID MATTRESS, HINGE MEANS DISPOSED INWARDLY OF THE OUTER PERIPHERY OF SAID PAD TO AVOID INJURY AND SNAGS AND ACCOMMODATING PIVOTABLE MOVEMENT OF THE MATTRESS ENLARGER FROM SAID GENERALLY HORIZONTAL POSITION TO A GENERALLY VERTICAL POSITION TO SAVE SPACE WHEN THE MATTRESS
Claim 2
Dependent Claim
91 words
IN A BED OF ANY CONSTRUCTION HAVING A MATTRESS, A MATTRESS ENLARGER FOR PLACEMENT ADJACENT ANY ONE OF THE HEAD, THE FOOT AND THE SIDES OF THE MATTRESS, SAID MATTRESS ENLARGER COMPRISING: A MATTRESS PAD, FOLDABLE-EXTENSIBLE MEANS FOR RIGIDLY SUPPORTING THE MATTRESS ENLARGER IN A GENERALLY HORIZONTAL POSITION ADJACENT SAID MATTRESS, HINGE MEANS DISPOSED INWARDLY OF THE OUTER PERIPHERY OF SAID PAD TO AVOID INJURY AND SNAGS AND ACCOMMODATING PIVOTABLE MOVEMENT OF THE MATTRESS ENLARGER FROM SAID GENERALLY HORIZONTAL POSITION TO A GENERALLY VERTICAL POSITION TO SAVE SPACE WHEN THE MATTRESS
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |